Korean J Fam Pract. 2017; 7(6): 945-950  https://doi.org/10.21215/kjfp.2017.7.6.945
The Associations between Physical Activity, Depression and Perceived Stress in Korean Adults Aged 50–59: The Sixth Korea National Health and Nutrition Examination Survey-2, 2014
So-Young Jung, Eun-Jeong Kim*, Seo-Jun Kim, Ji-Hye Ok
Department of Family Medicine, Busan Veterans Hospital, Busan, Korea
Eun-Jeong Kim
Tel: +82-51-601-6067, Fax: +82-51-601-6339
E-mail: jsy7158@daum.net
Received: February 24, 2017; Revised: October 8, 2017; Accepted: October 17, 2017; Published online: December 20, 2017.
© Korean Academy of Family Medicine. All rights reserved.

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Background: This study was conducted to demonstrate the associations among work-related and leisure-time physical activity, depression, and perceived stress in Korean adults aged 50–59 years.
Methods: Data were obtained from the Sixth Korea National Health and Nutrition Examination Survey (KNHANES VI-2), 2014. Physical activities were categorized by their type and intensity. Characteristics of the study population and the association between physical activity and mental health (depression and perceived stress) were analyzed using an analysis of frequency and chi-squared test. Multivariate logistic analysis was performed to evaluate the association between physical activity and mental health with adjustments for age, income, occupation, hypertension, and obesity.
Results: The prevalence of depression and perceived stress did not decrease with physical activity. The prevalence of perceived stress increased with vigorous leisure-time physical activity. A low economic status and being underweight were estimated to increase the prevalence of depression and the prevalence of perceived stress was affected by age, income, occupation, and hypertension.
Conclusion: Although the prevalence of depression and perceived stress did not decrease with physical activity, there was a statistically significant correlation between mental health and other factors, such as age, income, occupation, weight, and hypertension.
Keywords: Physical Activity; Depression; Stress
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